User`s guide
40
User’s Guide DMC-842 © RME
18. Technical Specifications
18.1 Analog
DA-conversion
• Resolution: 24 Bit
• Signal to Noise ratio (SNR) @ +24 dBu, 44.1 kHz: 116,0 dB RMS unweighted, 119 dBA
• Signal to Noise ratio (SNR) @ +19 dBu: 116 dB RMS unweighted, 119 dBA
• Signal to Noise ratio (SNR) @ +13 dBu: 116 dB RMS unweighted, 119 dBA
• Frequency response @ 44.1 kHz, -0.5 dB: 5 Hz – 22 kHz
• Frequency response @ 96 kHz, -0.5 dB: 5 Hz – 34 kHz
• Frequency response @ 192 kHz, -1 dB: 5 Hz - 50 kHz
• THD: < -104 dB, < 0.00063 %
• THD+N: < -100 dB, < 0.001 %
• Channel separation: > 110 dB
18.2 Digital Inputs
Word Clock
• BNC, not terminated (10 kOhm)
• Switch for internal termination 75 Ohm
• Automatic Double/Quad Speed detection and internal conversion to Single Speed
• SteadyClock guarantees super low jitter synchronization even in varispeed operation
• Not affected by DC-offsets within the network
• Signal Adaptation Circuit: signal refresh through auto-center and hysteresis
• Overvoltage protection
• Level range: 1.0 Vpp – 5.6 Vpp
• Lock Range: 27 kHz – 200 kHz
• Jitter when synced to input signal: < 1 ns, Jitter suppression: > 30 dB (2.4 kHz)
I64 MADI Card
• Coaxial via BNC, 75 Ohm, according to AES10-1991
• High-sensitivity input stage (< 0.2 Vpp)
• Optical via FDDI duplex SC connector
• 62.5/125 and 50/125 compatible
• Accepts 56 channel and 64 channel mode, and 96k frame
• Single Wire: up to 64 channels 24 bit 48 kHz
• Double Wire / 96k frame: up to 32 channels 24 bit 96 kHz
• Quad Wire: up to 16 channels 24 bit 192 kHz
• Lock range: 28 kHz – 54 kHz
• Jitter when synced to input signal: < 1 ns, Jitter suppression: > 30 dB (2.4 kHz)
AES1, D-sub
• 1 x 25-pin D-sub, transformer-balanced, galvanically isolated, according to AES3-1992
• High-sensitivity input stage (< 0.3 Vpp), SPDIF compatible (IEC 60958)
• Accepts Consumer and Professional format
• Lock Range: 27 kHz – 200 kHz
• Jitter when synced to input signal: < 1 ns, Jitter suppression: > 30 dB (2.4 kHz)
AES42, XLR
• 8 x XLR, transformer-balanced, galvanically isolated
• Compatible to AES3 und AES/EBU
• Technical specifications like AES1, plus
• Digital Phantom Power (10 V), switchable per input
• Transmission of Sync and Control Pulses